This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A134120 #12 Aug 24 2019 14:24:44 %S A134120 16141,34981,38501,39251,45439,52391,58789,61169,68821,75437,78737, %T A134120 78989,81239,81569,82657,84871,88547,96601,97729,104417,105277,108301, %U A134120 116047,116747,117991,119447,120431,121081,122401,125821,126781,126989 %N A134120 Primes p such that q-p = 42, where q is the next prime after p. %H A134120 Charles R Greathouse IV, <a href="/A134120/b134120.txt">Table of n, a(n) for n = 1..10000</a> %H A134120 <a href="/index/Pri#gaps">Index entries for primes, gaps between</a> %t A134120 Select[Partition[Prime[Range[12000]],2,1],#[[2]]-#[[1]]==42&][[All,1]] (* _Harvey P. Dale_, Aug 24 2019 *) %Y A134120 Cf. A126721, A134121. %K A134120 nonn %O A134120 1,1 %A A134120 _Rick L. Shepherd_, Oct 08 2007